Introduces a BrowserView-based tab management system for desktop mode, replacing webview elements for tab content. Adds IPC handlers and state management for creating, activating, destroying, and communicating with BrowserViews. Implements an overlay menu popup window for tab actions and zoom controls. Updates renderer UI to use a dedicated view host container, and refactors tab creation and navigation logic to use BrowserViews. Improves focus styling in CSS and updates preload and IPC messaging to support BrowserView contexts.
Replaces all occurrences of the 'browser://' internal URL scheme with 'nebula://' across main process, plugin manager, and renderer files. This change standardizes the internal page scheme to 'nebula://' for improved clarity and branding.
Revamps the Electron update section in settings with a new UI, status banner, and clearer messaging. The updater logic is now only available in development mode; the main process disables update attempts in packaged builds. Updates to the renderer and main process ensure users on Steam or packaged builds are informed that updates are handled externally, while developers can check and install Electron updates during development.
Portable mode now works on Windows, macOS, and Linux, storing user data in a 'user-data' folder within the app directory by default. The mode is enabled by default and can be disabled via NEBULA_PORTABLE=0. All file operations for history and search data now respect portable mode, using secure file writes where appropriate. Updated .gitignore and package.json to exclude portable data from versioning and packaging. Also fixed Bing icon filename case in home.html.
Adds a frameless window with custom title bar controls for Windows, including minimize, maximize/restore, and close buttons. Refactors theme color application to use CSS variables and color-mix for improved consistency and dynamic theming across home, settings, and main UI. Updates renderer and styles to support the new title bar, platform detection, and improved color handling. No changes to lock files.
Big Picture Mode now launches in the main application window instead of a separate Electron window. This reduces resource usage, prevents SteamOS desktop mode conflicts, and enables seamless switching between Desktop and Big Picture modes. Updated documentation, main process logic, and preload API to reflect the new architecture.
Simplified the cleanup logic for Steam callback pump by removing unnecessary try-catch and optional chaining. The cleanup is now directly registered after requiring Electron modules.
Updated main.js to better manage Steam Input environment variables, explicitly initialize and shutdown Steam Input, and regularly pump Steam callbacks to ensure proper controller support. Enhanced README-STEAM.md with detailed instructions for configuring Steam Input on Windows, Linux, and Steam Deck, including guidance for software/app limitations and launch options.
Adds environment variable setup and early gamepad initialization to main.js and preload.js to ensure native controller support on Steam Deck and SteamOS. Updates README-STEAM.md and BIG_PICTURE_MODE.md with detailed instructions for disabling Steam Input emulation and troubleshooting. Introduces start-steamdeck.sh launcher script to automate environment configuration for Steam Deck users.
Introduces a Steam Input bridge using steamworks.js, enabling native controller support in Big Picture Mode and on Steam Deck. Adds a new steam-input-manager.js module, integrates IPC handlers in main.js, exposes a steamInputAPI in preload.js, and updates bigpicture.js to use Steam Input when available with fallback to legacy Gamepad API. Updates dependencies and scripts in package.json for Steam Deck and Big Picture profiles.
Replaces hardware acceleration and ANGLE-based GPU flags with software rendering on SteamOS to address webview rendering issues under Gamescope. Updates both main.js and the start:steamos script in package.json to disable GPU compositing and enforce software rendering.
Refined GPU command line switches for SteamOS/Gamescope in main.js to use ANGLE with X11, enable VulkanFromANGLE, and adjust feature flags. Updated the start:steamos script in package.json to match these changes for better webview rendering and stability on Steam Deck.
Adjusted GPU command line switches for better SteamOS/Gamescope compatibility, including switching to egl-angle and refining feature flags. Improved auto-updater logger setup with error handling to avoid issues in unsupported environments.
Critical Linux and SteamOS GPU flags are now set immediately after loading Electron in main.js, before app.ready, to ensure proper rendering and compatibility. The GPUConfig class now only applies additional, non-critical settings. Improved SteamOS detection logic and added more detailed logging for GPU environment detection.
Enhances GPU flag handling for SteamOS and Gamescope by adding early detection and flag injection in main.js. Updates the README with clearer SteamOS instructions, adds a SteamOS-optimized .desktop file, and improves Linux packaging options in package.json for AppImage and deb targets with appropriate flags and metadata.
Revamps the settings section in Big Picture mode with a tabbed interface for Themes, Display, Privacy, and About panels. Adds theme selection with live preview and persistence, display scale adjustment, privacy controls for clearing data/history/search, and an About panel showing app and environment info. Updates main process to handle theme and display scale changes, and implements corresponding renderer logic and styles.
Adds native input event injection for webviews via IPC, improves the on-screen keyboard (OSK) UI with a blinking cursor and label, and enables seamless text entry into webview input fields. Also refines virtual cursor click handling for better compatibility with complex sites and video players.
Introduces a new Big Picture Mode with a controller-friendly, console-style UI optimized for Steam Deck and handheld devices. Adds new renderer files (HTML, CSS, JS) for the mode, updates main and preload scripts to support window management and IPC for Big Picture Mode, and documents features and usage in BIG_PICTURE_MODE.md. Updates settings and navigation to allow launching and exiting Big Picture Mode.
Integrates electron-updater for automatic app updates, including IPC and renderer APIs for update status and controls. Adds display scale (zoom) setting to settings UI, persists user preference in localStorage, and applies it on startup. Updates OAuth popup allowlist logic and upgrades Electron to v39.2.7.
Introduces an Electron upgrade section in settings, allowing users to check for and upgrade to the latest stable or nightly Electron versions. Implements backend logic to read the installed Electron version directly from package.json, properly handles switching between stable and nightly builds, and improves error handling and UI feedback during upgrade operations. Includes documentation of the upgrade process and bug fixes related to version display and upgrade reliability.
Window.open and <webview> popups are now intercepted and routed into new tabs, except for OAuth/SSO flows (Google, Microsoft, etc.) which are allowed to open real popups to preserve authentication semantics. Renderer logic is updated to handle 'open-url-new-tab' IPC events and consistently open external http(s) links in tabs, improving user experience and security.
Integrates post-download malware scanning using Windows Defender on Windows platforms. Adds scan status tracking, rescan and delete actions for infected files, and updates the downloads UI to display scan results and actions. Non-Windows platforms show scan as unavailable.
Removed the Nebot chat plugin and its files, and added the Return YouTube Dislike plugin with main process logic, renderer preload, and manifest. Updated plugin manager and main process to support internal plugin pages and improved plugin event handling. Minor updates to renderer and documentation.
Introduces a plugin architecture, including a PluginManager, plugin loading in main and renderer processes, and a sample plugin demonstrating menu, IPC, and context menu contributions. Adds a Plugins tab to the settings UI for managing plugins (enable/disable, reload), and updates preload.js to load renderer preloads from plugins. Documentation for plugin development is included in README-PLUGINS.md.
Implements a full downloads manager with Electron main process handling, IPC APIs, and renderer integration. Adds a dedicated downloads page, a mini downloads popup in the navigation bar with progress ring, and controls for pausing, resuming, canceling, opening, and showing downloads. Updates styles and navigation to support the new downloads features.
Adds early enabling of WebAuthn and platform authenticator features in Chromium via command line switches, and injects diagnostics to check availability in the renderer. CSS z-index values are increased for navigation and menu elements to ensure proper layering above <webview> surfaces. Updates Electron to 37.3.1 and expands site-history.json with additional authentication-related URLs.
Updated window options in main.js to use a hidden, transparent title bar on macOS, allowing for a custom header in the renderer. Added CSS to designate draggable regions and opt-out for interactive controls, improving window drag usability while maintaining clickable elements.
Introduces a 'Save Image As...' option to the context menu for images. Implements IPC handlers in main and preload scripts to save images from URLs, data URLs, and file URLs. Updates renderer logic to handle saving images from various sources, including blob URLs via webview conversion.
Replaces the custom HTML context menu with a native Electron menu for webview and window areas. Adds context menu handling in main and preload scripts, relays commands to renderer, and updates renderer logic to support new menu actions. Improves integration and user experience by leveraging platform-native menus.
Introduces a custom Chrome-compatible user agent string that omits the Electron token and appends a Nebula marker for improved site compatibility and reduced Electron detection. Adds debug mode to optionally reveal Electron in the UA for troubleshooting, and updates session configuration to consistently apply the new user agent.
Introduces a dialog to open local HTML files via Ctrl+O/Cmd+O, converting file paths to file:// URLs for navigation. Also improves input handling by stripping quotes and better detecting local file paths. Updates bookmarks and clears site history.
Improves perceived performance by creating the window hidden, showing it after first paint, and maximizing on Windows after display. Defers non-critical tasks and session configuration to avoid blocking UI initialization. Adds high-resolution startup timing markers and refines session/user agent handling for OAuth compatibility.
Refactored window.open and new-window logic to better support OAuth/SSO popups and preserve POST bodies, removing deprecated event handlers that broke login flows. Updated user agent handling to append Nebula branding to the real Chromium UA for improved compatibility with anti-bot systems. Enhanced webview event handling for Cloudflare challenge detection and refined tab/popup heuristics. Cleaned up site-history.json.
Introduces hard reload and fresh reload buttons to the UI, allowing users to reload pages while ignoring cache or with a cache-busting parameter. Refactors session and browser data clearing logic to handle multiple sessions and resets history JSON files. Adds per-section clear buttons for site and search history in settings, improving user control over stored data.
Introduces an About tab in the settings page displaying app, runtime, and system diagnostics. Adds IPC and preload bridge for about info, clipboard copy functionality, and external navigation for GitHub and Help links. Updates site-history.json with relevant links.
Moved site and search history management from the main process to the renderer for better performance and reliability. Updated settings UI to use a sidebar tab layout with improved accessibility and responsive design. Refactored tab rendering in the browser to use efficient scheduling and added a robust tab label function. Cleaned up context menu code and improved async file operations for bookmarks and history.